84results about How to "Improve water conductivity" patented technology

The invention provides a heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent. The heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent is prepared from the following components in percentage by weight: 30-50 percent of biomass charcoal, 5-10 percent of diatomite, 5-10 percent of sodium bentonite, 5-10 percent of activated aluminum oxide, 10-20 percent of dithiocar-bamate, 5-10 percent of ethylenediaminetetraacetic acid, 5-10 percent of tartaric acid, 5-10 percent of polyacrylamide and 5-10 percent of sodium dodecyl sulfate. A preparation method for the heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent comprises the following steps: mixing the biomass charcoal, diatomite, sodium bentonite, activated aluminum oxide, ethylenediaminetetraacetic acid, tartaric acid, polyacrylamide and sodium dodecyl sulfate in mass proportion to obtain a mixture; and adding the dithiocar-bamate into the mixture in corresponding mass proportion to sufficiently mix uniformly, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and arsenic compound contaminated soil.

The invention provides a heavy metal contaminated soil remediation agent. The heavy metal contaminated soil remediation agent is prepared from the following raw materials in parts by mass: 50-65 parts of modified biomass charcoal, 20-30 parts of organic matters, 6-15 parts of composite microbial agents, 5-10 parts of polyacrylamide, 12-20 parts of organic fertilizer and 6-12 parts of iron powder, wherein the modified biomass charcoal is obtained by mixing and modifying the biomass charcoal and sodium sulfide, and the organic matters are obtained by mixing humic acid, potassium humate and fulvic acid potassium according a mass ratio of (2 to 4):(6 to 8):3. The invention also provides a preparation method of the heavy metal contaminated soil remediation agent. According to the heavy metal contaminated soil remediation agent provided by the invention, the preparation process is simple; the conditions are mild; the removal rate of heavy metal in soil after remediation is high; the soil remediation effect is good; the heavy metal contaminated soil remediation agent has relatively high practical significance.

The invention belongs to the field of water treatment, and in particular relates to an iron-aluminum-manganese composite metal oxide adsorbent for efficiently removing phosphate from water and a preparation method thereof. The iron-aluminum-manganese composite metal oxide adsorbent for removing phosphate from water is prepared from raw materials including ferrite, an aluminum salt and permanganate through an oxidation-reduction and coprecipitation method, and comprises the components including hydroxyl iron oxide hydrate, hydroxyl aluminum oxide hydrate, manganese oxide hydrate and the like. The iron-aluminum-manganese composite metal oxide adsorbent has rich surface activity adsorption sites and high isoelectric points (IEP>8.5). The electrostatic adsorption of composite metal oxides to the phosphate in water is strengthened by using synergistic action of all component metal oxides. The iron-aluminum-manganese composite metal oxide adsorbent provided by the invention can be used for removing phosphate from reservoirs, rivers, lakes, drinking water and urban sewage, and can also be used for removing contaminants including arsenate, selenate, fluorine ions and the like.

The invention discloses a river channel reinforced gabion and water-permeable geotextile composite ecological slope protection retaining wall construction method. The method includes the steps of completing the prediction and control of the road elevation according to drawings and benchmarks provided by a construction unit; manufacturing engineering components meeting the requirements through gabions by means of hexagon twin twisted steel wire mesh which is formed by weaving low-carbon steel wire ropes where anti-corrosion processing is conducted; assembling the gabions; installing the gabions; conducting stone filling; stranding cover plates; conducting crushed stone backfilling; laying geo-grids; laying water-permeable geotextile; pressing filled earth, wherein damage to the geo-grids should be avoided in the filled earth pressing process. The method can be widely applied to the slope protection retaining wall construction of water conservation, shipping, beaches, slope protection, river levees, channels, municipal facilities, roads, railways, culverts, gardens, parks, real estate communities and the like, and the method is large in compressive strength, good in antifreeze performance, economical, attractive in appearance, safe and reliable.

The invention provides a heavy metal polluted soil remediation agent which is prepared from, by weight, 30-50% of biomass charcoal, 10-30% of alpha-cyclodextrins, 10-20% of zeolite, 5-10% of polyacrylamide, 5-10% of glucose and 5-10% of sodium sulphide. The preparation method comprises the steps that the biomass charcoal, the alpha-cyclodextrins, the zeolite, the polyacrylamide, the glucose and the sodium sulphide are evenly mixed according to the mass ratio, and therefore the soil remediation agent is prepared. The obtained soil remediation agent has the good effect on remedying cadmium, lead, zinc and copper composite polluted soil, and has the advantages that the method is simple and feasible, and the treatment effect is good.

The invention belongs to the field of functional micro-nano fiber composites, and particularly relates to an anti-ultravoilet unidirectional-moisture-permeable fiber composite and a preparing method thereof. The fiber composite comprises a polypropylene layer and a hydrophilic polymer and ultraviolet absorber mixture layer which are integrally combined. Polydopamine deposits on and adheres to thesurfaces and the interiors of the polypropylene layer and the hydrophilic polymer and ultraviolet absorber mixture layer. The preparing method includes the steps of dissolving an ultraviolet absorberand a hydrophilic polymer in an organic solvent to form a spinning solution, conducting static spinning and then hot-pressing treatment with a melt static spinning polypropylene fiber material as thereceiving substrate, and placing the material in a Tris-HCl buffer solution with dissolved dopamine for impregnation modification to prepare the anti-ultravoilet unidirectional-moisture-permeable fiber composite. The material has good unidirectional moisture-permeable and anti-ultraviolet functions and is stable in integration structure, simple in composition and structure, simple in preparing process and wide in application prospect.

The invention relates to a polypropylene fiber spunbond needle-punched geotextile, which belongs to a high-molecular geotechnical synthetic material. The polypropylene fiber spunbond needle-punched geotextile is produced by using modified polypropylene resin, adding cohesive agent, ultraviolet stabilizer and anti-freezing agent modifier for modification and by adopting a spunbond method and a needle-punching reinforcement process. The geotextile has the advantages of extremely high mechanical performance, strong chemical erosion resistance, good water guide performance and low material cost.

The invention relates to a composite type artificial dura mater, comprising two hydrogel layers and a woven layer, wherein the woven layer is arranged between the two hydrogel layers, the woven layer is a degradable polymer material, and cell growth factors are contained in the hydrogel layers. The composite type artificial dura mater disclosed by the invention has the following beneficial effects: (1) the artificial dura mater is made from the degradable polymer material and biological protein which are easily available, and has good biocompatibility; (2) atmospheric pressure plasma jet treatment increases the fiber surface area of the woven layer, decreases a contact angle of a material surface, and improves water transmissibility, degradation speed and cellular affinity; (3) regulation on physical characteristics of the artificial dura mater, such as malleability, toughness, mechanical strength and the like can be realized by regulating a weaving method; and 4) the composite type artificial dura mater is favorable for wound repair, and silver ions enable artificial skin to have good antibacterial performance, so that toxic and side effects on a human body due to the use of a chemical antibacterial medicine are avoided, and storage life of the artificial skin is prolonged.

The invention discloses a novel gradient water permeable brick and a manufacture method thereof. Water absorption performance and water channels of the water permeable brick are enhanced through adding of ultra-clear-water short fibers; the formula and the manufacture method are changed to enable the water permeable brick to be of a gradient structure, namely a layered structure; in order to achieve quick water permeation, the upper layer is provided with large holes, the middle layer is provided with middle holes, and the lower layer is provided with small holes; therefore, by the structuraldesign, water can permeate the brick quickly, the problems of road waterlogging and water loss can be solved, and blocking of the water permeable brick can be avoided.

The invention discloses a through-flow water turbine with front and rear symmetrical constant-width movable guide blades. The water turbine comprises a forward water inflow passage, a shaft, a supporting frame, a two-way power generation rotation wheel, a reverse water inflow passage, a power generator and a speed increaser. The water turbine is characterized by further comprising a front constant-width movable guide blade and a rear constant-width movable guide blade. The front constant-width movable guide blade is arranged between the forward water inflow passage and the two-way power generation rotation wheel. The rear constant-width movable guide blade is arranged between the two-way power generation rotation wheel and the reverse water inflow passage. Longitudinal sections of the front constant-width movable guide blade and the rear constant-width movable guide blade are in two-end streamline pointed wing shapes and are arranged symmetrically on the two sides of the two-way power generation rotation wheel. By means of the water turbine, both the forward power generation efficiency and the reverse power generation efficiency of the power generator set can be improved, so that the total power generation efficiency of the power generator set is further improved, and the water turbine is applicable to various low water head tidal power stations.

The invention relates to the field of machinery, in particular to a container cover of a pickup truck. The pickup truck container cover convenient to disassemble and assemble comprises a container cover body. By means of the design, the pickup truck container cover convenient to disassemble and assemble is simple in structure, a second blocking piece rotates in a rotating groove, the second blocking piece is blocked by a first blocking piece and is limited to further rotate, opening and closing of the pickup truck container cover are facilitated, and the good water guiding effect is achieved;meanwhile, through mutual cooperation of two airplane buckle mechanisms, the side wall of the container is clamped through the clamping hook of the spring bolt, the user can tighten the first handle or the second handle to achieve different-direction unlocking, and the airplane buckle mechanisms are opened, so the container cover is convenient to install and detach, the position of the container cover is convenient to adjust, and the use experience of the user is improved.

The invention provides a method for obtaining directional water diversion fabric by using plasma treatment. The method comprises the following steps: preheating a fabric by using an inert gas plasma;secondly, carrying out surface activation treatment on the fabric by using an oxygen plasma; finally, carrying out plasma coating treatment on one surface of the fabric by using hexamethyl disiloxanestream. According to the method disclosed by the invention, the step of preheating the surface of the fabric by inert gas replaces a cleaning link at the early stage of the fabric, so that consumptionof water sources is favorably reduced and waste water is reduced; in addition, efficient combination of the coating is also facilitated, and further the cost of raw materials is reduced; active groups are formed on the surface of the fabric by oxygen plasma treatment, so that chemical combination of the hexamethyl disiloxane stream and the surface of the fabric in the coating process under plasmajet is facilitated, and fastness and washing resistance of the coating are improved. The method has the characteristics of simple process, energy conservation and water conservation; in addition, theobtained fabric has the advantages of good directional water diversion property, excellent breathability, high comfortableness, good durability and the like.

The invention provides a waterproof roll laying device used for a vertical upright angle, and belongs to the technical field of waterproof roll. The device comprises a laying cart, a vertical uprightangle laying mechanism, a supporting laying block of the vertical upright angle laying mechanism is installed on a vertical upright angle laying supporting seat, an upward bending laying block is installed on the upper side of the supporting laying block, a downward bending laying block is installed on the lower side of the supporting laying block, an upper jacking rod can be slidably arranged ona horizontal sliding groove, an upper jacking plate is installed at one end of the upper jacking rod, one end of the upper supporting pressing spring fits the vertical upright angle laying supportingseat, the other end of the upper supporting pressing spring fits the upper jacking plate, a lower jacking rod can be slidably arranged on a vertical sliding groove, a lower jacking plate is installedat one end of the lower jacking rod, one end of a lower supporting pressing spring fits the the vertical upright angle laying supporting seat, the other end of the lower supporting pressing spring fits the lower jacking plate, and a triangular rubber supporting strip is installed at the connecting point of mutually perpendicular wall surfaces. By means of the device, waterproof roll can be laid ona vertical upright angle, the laying quality is good, and the waterproofing effect is excellent.

The invention discloses an earthquake region roadbed supporting, retaining and damping structure and a construction method thereof. The damping structure comprises a side ditch, a side ditch platform, a reversed filtering layer, an energy-dissipating and damping layer, a soil retaining wall, a wall top platform and a drainage hole; the side ditch platform is arranged on one side of the side ditch; the reversed filtering layer, the energy-dissipating and damping layer and the soil retaining wall are arranged between the side ditch platform and a reinforced rock-soil body slantways; the reversed filtering layer, the energy-dissipating and damping layer and the soil retaining wall are arranged outside the reinforced rock-soil body sequentially from inside to outside; the lower part of the soil retaining wall slantways extends to the lower part of the side ditch platform; the lower parts of the reversed filtering layer and the energy-dissipating and damping layer are in parallel and level with the upper surface of the side ditch platform; the wall top platform is horizontally poured on the energy-dissipating and damping layer, the reversed filtering layer and the reinforced rock-soil body; the energy-dissipating and damping layer has an elastic three-dimensional reticulate structure. During the construction, after cutting soil and stone and a soil retaining wall base are excavated, the reversed filtering layer is constructed; the energy-dissipating and damping layer is paved; the soil retaining wall is poured; the wall top platform is constructed; the side ditch and the side ditch platform are constructed. Energy-dissipating and damping effects are remarkable, the drainage effect is good, construction is convenient and rapid, the quality is easy to control, and the service life is long.

The invention relates to a portable hydrogen-rich water cup having water-purifying and light-reminding functions. The portable hydrogen-rich water cup includes a base. The upper part of the base is connected to a transparent cup body. A cup cover is arranged above the cup body. A permanent magnet is arranged in the cup cover. A filter core cup is arranged below the cup cover. The base also includes a button, a charging socket and a built-in lithium battery. An inner electrode ring and an outer electrode ring, which are used for electrolyzing clear water and are controlled by a PCB, are disposed on the bottom in the cup body. The inner electrode ring and the outer electrode ring serve as a cathode and an anode respectively and are engaged with each other in a teeth-like crossed structure. A semi-transparent light transmission zone is arranged in the center on the bottom in the cup body. An LED lamp, which emits gradually-varying light according to a hydrogen producing process, is disposed below the light transmission zone. The LED lamp is used for reflecting the hydrogen producing process through light change, thereby achieving a direct and beautiful effect. By means of the permanent magnet in the cup cover, the water cup is improved in hydrogen producing efficiency. The filter core cup under the cup cover can be used for eliminating smell and inhibiting bacteria, so that the portable hydrogen-rich water cup can produce better hydrogen-rich water for users. The water cup also is convenient to take.

The invention relates to the field of non-woven materials, and discloses a filament non-woven composite material and a preparation method thereof. The filament non-woven composite material comprises an aggregate prepared by taking filament fibers and ultra-short fibers as raw materials, wherein the filament fibers are synthetic fiber filaments; the ultra-short fibers are hydrophilic ultra-short fibers; and the hydrophilic ultra-short fibers are distributed in the synthetic fiber filaments, and the hydrophilic ultra-short fibers and the synthetic fiber filaments are intertwined and/or the hydrophilic ultra-short fibers are bonded and fixed to the synthetic fiber filaments. The filaments and the ultra-short fibers are used as raw materials, the filament non-woven composite material is produced through polymer spinning and a wet-process net forming process, and the filament non-woven composite material has the advantages of being high in breaking strength, not prone to scrap falling, soft in hand feeling and good in moisture absorption.

The invention relates to a washing machine and a washing machine inner drum. The washing machine comprises the washing machine inner drum, wherein a plurality of water diversion chutes are concavely formed in inner side walls of the washing machine inner drum; each of the water diversion chutes extends from the bottom of the washing machine inner drum to the top of the washing machine inner drum; a water outlet hole is formed in the top of the washing machine inner drum and communicated with the water diversion chutes; a water diversion area is formed between every two adjacent water diversion chutes; a plurality of convex hull bodies are arranged in the water diversion areas; a water flow channel is formed between every two adjacent convex hull bodies; and the water flow channels are communicated with the water diversion chutes. The washing machine and the washing machine inner drum have high water diversion capacity, and the dehydration effect can be improved.

This method for producing a non-woven fabric involves a process for raising the constituent fibers of a non-woven fabric and a process for partially stretching multiple sites of the non-woven fabric subjected to the fiber raising process. The process for raising the constituent fibers of the non-woven fabric involves raising the constituent fibers by hooking same or involves raising the constituent fibers by rubbing the surface. One end of the fibers is cut by means of the rubbing action during the process for raising the constituent fibers of the non-woven fabric. During the partial stretching process, multiple sites of the non-woven fabric subjected to the fiber raising process are stretched at a mechanical stretch ratio between 1.05 and 20.

The invention relates to a vehicle cabin cutter channel assembly and a vehicle. The vehicle cabin cutter channel assembly comprises a gutter channel body. One end of the gutter channel body is provided with a cover left hinge installing plate. The other end of the gutter channel body is provided with a cover right hinge installing plate. Gaps are reserved between the cover left hinge installing plate and the gutter channel body and between the cover right hinge installing plate and the gutter channel body. A gutter channel reinforcing beam is connected with one side face of the gutter channelbody. A front air window lower beam is installed on the other side face of the gutter channel body and fixed to the gutter channel body through a front air window lower beam connecting plate. The gutter channel body is connected with a front damper installing base through welding. The gutter channel reinforcing beam is connected with a front wheel cover middle section upper reinforcing piece. Thefront wheel cover middle section upper reinforcing piece is connected with a front wheel cover middle section lower reinforcing piece through welding. The vehicle cabin cutter channel assembly has theadvantages of being high in water conductivity, capable of improving rigidity and high in stability.

The present application discloses a conditioner for regulating the moisture content of paddy fields, which consists of the following components: propylene glycol 6%-8%, ethanol 3%-5%, borax 0.005%-0.015%, methyl p-hydroxybenzoate 0.05%- 0.15%, Propylparaben 0.05%-0.15%, EDTA Chelating Agent 0.1%-1%, Urea 0.5%-1.5%, Secondary Alcohol Ethoxylate 15%-25%, Sodium Laureth Sulfate 10% -15%, Valencia orange oil 8%-12%, citric acid solution 0.3%-0.8%, dyestuff 0.005%-0.015%, the balance is water, the above mass total amount is 100%, the application also discloses a The invention discloses a preparation method of a conditioner for regulating the moisture content of paddy fields. The conditioning agent can increase the yield of rice while increasing soil water content and water use efficiency, greatly save labor costs, and have obvious economic benefits.